Alexander Marinov Markov, MD - Medicare Internal Medicine in O Fallon, MO

Alexander Marinov Markov, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in O Fallon, Missouri. His current practice location is 20 Progress Point Pkwy Ste 200, O Fallon, Missouri. You can reach out to his office (for appointments etc.) via phone at (636) 916-9615.

Alexander Marinov Markov is licensed to practice in Missouri (license number 2023012136) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1053806927.

Contact Information

Alexander Marinov Markov, MD
20 Progress Point Pkwy Ste 200,
O Fallon, MO 63368-2207
(636) 916-9615
Not Available

Map and Direction




Physician's Profile

Full NameAlexander Marinov Markov
GenderMale
SpecialityInternal Medicine - Endocrinology, Diabetes & Metabolism
Location20 Progress Point Pkwy Ste 200, O Fallon, Missouri
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1053806927
  • Provider Enumeration Date: 06/24/2018
  • Last Update Date: 06/28/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9335498880
  • Enrollment ID: I20230817002199

Medical Identifiers

Medical identifiers for Alexander Marinov Markov such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053806927NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 2023012136 (Missouri)Secondary
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 2023012136 (Missouri)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Alexander Marinov Markov allows following entities to bill medicare on his behalf.
Entity NamePhysician Groups Lc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285664268
PECOS PAC ID: 3072421254
Enrollment ID: O20040220001157

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Alexander Marinov Markov is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Alexander Marinov Markov, MD
20 Progress Point Pkwy Ste 200,
O Fallon, MO 63368-2207

Ph: (636) 916-9615
Alexander Marinov Markov, MD
20 Progress Point Pkwy Ste 200,
O Fallon, MO 63368-2207

Ph: (636) 916-9615

Reviews and Comments


Internal Medicine Doctors in O Fallon, MO

Brian A Grus, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 20 Progress Point Pkwy Ste 108, O Fallon, MO 63368
Phone: 636-344-2400    
Nadia Zia, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 2 Progress Point Ct, O Fallon, MO 63368
Phone: 314-317-0600    Fax: 314-317-0606
Dr. Amy Kathleen Davis, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Not Enrolled in Medicare
Practice Location: 1008 Rock Creek Elementary School Dr, O Fallon, MO 63366
Phone: 636-281-4410    Fax: 636-281-4412
Dr. Saadia Taufiq Raza, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 6704 Keaton Corp Pkwy, O Fallon, MO 63368
Phone: 636-300-9596    Fax: 636-300-9598
Dr. Genevieve Catherine Matthews, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 20 Progress Point Pkwy Ste 108, O Fallon, MO 63368
Phone: 636-344-2400    Fax: 636-344-2401
Neal Holzum, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 2 Progress Point Ct, Ste 101a, O Fallon, MO 63368
Phone: 636-236-9945    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.